With NMEA 2000® support for autopilot capability, engine data, SiriusXM® Weather and more, the GPSMAP 820 is compatible with LakeV™ HD Ultra, BlueChart g2 and BlueChart g2 Vision. It also supports all Garmin marine radar.

For even more functionality, wirelessly connect to Apple® (mobile digital device) for BlueChart® Mobile. The chartplotter includes 2 SD™ data card slots, allowing for gigabytes of storage. It can be flat, flush or bail mounted.

Networking

The GPSMAP 820xs offers select networking capabilities that allow you to share features with other compatible GPSMAP units, such as radar, GCV 10 DownV™ and SideV™ scanning sonar, supplemental maps, and user data, such as waypoints, routes and tracks.